Finding the Fourth Proportional to 73,819.05, 110,861.94 and 67,884.99
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Solution
The fourth proportional to 73,819.05, 110,861.94 and 67,884.99 is: 101,950.13
Step by Step Solution
- Step 1: Write the proportion equation
73,819.05 : 110,861.94 = 67,884.99 : x - Step 2: Convert to fraction form
73,819.05/110,861.94 = 67,884.99/x - Step 3: Cross multiply
73,819.05x = 110,861.94 × 67,884.99 - Step 4: Simplify right side
73,819.05x = 7,525,861,336.19 - Step 5: Solve for x
x = 7,525,861,336.19/73,819.05 - Step 6: Final answer
x = 101,950.13
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.